body{
  padding-top: 40px;
  // position: relative;
}
header{
  padding: 0 5px;
  position: fixed;
  display: flex;
  justify-content: space-between;
  align-items: center;
  top: 0;
  left: 0;
  width: 100%;
  height: 40px;
  background-color: #ff841d;
  color: #fff7ea;;
  line-height: 40px;
  a:nth-child(1){
    font-size: 20px;
  }
  span{
    font-size: 14px;
  }
  a:nth-child(3){
    img{
      width: 25px;
    }
  }
}

nav{
  padding: 0.08rem 0.3rem;
    display: flex;
    flex-wrap: wrap;
      a{
        background-color: #f4f4f4;
        
        font-size: 0.16rem;
        padding: 0.06rem 0.12rem;
        margin: 0.04rem 0.06rem;
        border: 1px solid #ccc;
        display: flex;
        align-content: space-between;
          img{
              width: 0.18rem;
              height:0.18rem;
              margin-top: 0.04rem;
              padding-right: 2px;
          }
          span{
            color: black;
          }
      }
  
}